I found a problem related to this. I have 2 APs sharing a common SSID, the Ubuntu laptop insist on connecting to the AP downstairs, instead of the AP just 2 meters away! That's why it is so unstable.
I found a problem related to this. I have 2 APs sharing a common SSID, the Ubuntu laptop insist on connecting to the AP downstairs, instead of the AP just 2 meters away! That's why it is so unstable.